Compare ET Solar Group ET-M648BB 230 vs VSUN SOLAR VSUN320-120BMH-DG

Warranty Terms

Output Warranty:

25 Years of 81.4% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 230 Wp

Efficiency: 17.51 %

Voltage at Maximum Power VMPP: 25.33 V

Current at Maximum Power IMPP: 9.09 A

Open Circuit Voltage VOC: 31.74 V

Short Circuit Current ISC: 9.59 A

Power Tolerance Positive: + 2 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.43 %/°C

Temperature Coefficient of Voc: -0.3 %/°C

Temperature Coefficient of Isc: 0.06 %/°C

Solar Panel Attributes

Weight: 15 kg

Cell Type: Monocrystalline

Cell Count: 48

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: unknown

Warranty Terms

Output Warranty:

unknown

Materials Warranty: 12 Years

Panel Performance

Rated Power: 320 Wp

Efficiency: 18.7 %

Voltage at Maximum Power VMPP: 32.9 V

Current at Maximum Power IMPP: 9.74 A

Open Circuit Voltage VOC: 40.3 V

Short Circuit Current ISC: 10.19 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.367 %/°C

Temperature Coefficient of Voc: -0.28 %/°C

Temperature Coefficient of Isc: 0.0449 %/°C

Solar Panel Attributes

Weight: 21.7 kg

Cell Type: Bifacial, PERC

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 500 mm

Glass Type: Tempered